Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
Answer:
tertiary structure
Interactions among the amino acid side chains within a single protein molecule determine the protein's tertiary structure. Tertiary structure is the most important of the structural levels in determining, for example, the enzymatic activity of a protein.
HOPE THIS HELP!!
ANSWER:C) farming and hiking
B that our early ancestors were tailed primates
XD I was in it!!!!!!!!!!!!!!
C) due to the fact that everyone needs to know. Not everyone listens to publications by scientist unless it's on the news aka public broadcast media.
Haha I answered 2 of your questions now
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